Executive brief
Oracle Coherence, a data grid solution used for high-speed data processing and storage, contains a critical security flaw. An unauthenticated attacker can exploit this vulnerability over the network to gain full control of the affected system. This could lead to the theft of sensitive data, disruption of business operations, and total compromise of the application environment.
Technical details
This vulnerability exists in the Core component of Oracle Coherence within the Oracle Fusion Middleware suite. It is classified as easily exploitable, requiring no authentication or user interaction. An attacker can exploit the flaw by sending specially crafted HTTP requests to the affected service. Successful exploitation results in a complete takeover of the Oracle Coherence instance, impacting confidentiality, integrity, and availability. The vulnerability affects supported versions 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, and 15.1.1.0.0. Users are advised to refer to the Oracle Critical Patch Update for July 2026 for remediation steps.
Affected products
- Oracle Coherence 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, 15.1.1.0.0
Timeline
- 2026-07-21: advisory: Initial disclosure by Oracle and NVD publication.